CN220819257U - Battery cell temperature acquisition system applied to energy storage cabinet - Google Patents
Battery cell temperature acquisition system applied to energy storage cabinet Download PDFInfo
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- CN220819257U CN220819257U CN202322568345.4U CN202322568345U CN220819257U CN 220819257 U CN220819257 U CN 220819257U CN 202322568345 U CN202322568345 U CN 202322568345U CN 220819257 U CN220819257 U CN 220819257U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 230000002269 spontaneous effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000443 aerosol Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a battery core temperature acquisition system applied to an energy storage cabinet, which comprises a BMU system, a plurality of temperature detection devices, a battery core module, a fire extinguishing device, at least one fan and at least one wiring terminal, wherein the temperature detection devices, the battery core module, the fire extinguishing device, the fan and the wiring terminal are connected with corresponding pins of the BMU system, all the temperature detection devices, the battery core module, the fire extinguishing device, the fan and the wiring terminal are arranged in the energy storage cabinet, all the temperature detection devices are respectively corresponding to positions of all the battery cores in the battery core module, the wiring terminal is electrically connected with an external BCU system, and temperature data of all the battery cores acquired by all the temperature detection devices are acquired in real time through the BMU system and are transmitted to the BCU system, so that the BCU system can control the fan to be started and stopped according to all the temperature data. The intelligent monitoring system has the beneficial effects that the temperature of the battery cell can be accurately and real-timely acquired, the state of the battery cell can be monitored in real time, loss and harm are reduced, and meanwhile, the fire extinguishing condition can be known.
Description
Technical Field
The utility model relates to the technical field of energy storage cabinets, in particular to a battery cell temperature acquisition system applied to an energy storage cabinet.
Background
The energy storage cabinet is as the basic unit of energy storage equipment, and its one day can produce huge electric quantity, and is relative, energy storage cabinet can produce a large amount of heat at the operation in-process, in order to enable the normal efficient operation of energy storage cabinet, need distribute away the heat that the energy storage cabinet produced to ensure that the temperature of energy storage cabinet keeps at normal range.
The energy storage cabinet is used as an important tool for energy storage and is widely applied to industrial field environments, but because the energy storage cabinet is independently used for heat dissipation by a heat exchanger or a cabinet air conditioner, when the heat load is higher, the defects of incomplete heat dissipation and unbalanced heat dissipation exist, the temperature in the energy storage cabinet is easy to be unstable, and because the temperature detection of an electric core is incomplete, once the temperature of a certain position of the electric core is too high, the electric core is easy to damage or cause fire disaster to cause potential safety hazards, and larger loss and hazard can be caused.
Disclosure of utility model
The utility model aims to solve the problems that: the utility model provides a be applied to electric core temperature acquisition system of energy storage cabinet can fully gather the temperature of electric core to control the fan according to the temperature data of electric core and open and close and cool down the processing, the hot start cooperation of thermosensitive wire and extinguishing device can reliably start under the conflagration condition, reduces loss and harm.
In order to solve the problems, the utility model provides a battery core temperature acquisition system applied to an energy storage cabinet, which comprises a BMU system, a plurality of temperature detection devices, a battery core module, a fire extinguishing device, at least one fan and at least one connecting terminal, wherein the temperature detection devices, the battery core module, the fire extinguishing device, the fan and the connecting terminal are connected with corresponding pins of the BMU system, the temperature detection devices, the fire extinguishing device, the fan and the connecting terminal are all arranged in the energy storage cabinet, the temperature detection devices are respectively corresponding to the positions of all battery cores in the battery core module, the connecting terminal is electrically connected with an external BCU system, a thermosensitive wire is arranged on the fire extinguishing device, the fire extinguishing device is started when the thermosensitive wire is spontaneous, and the temperature data of all the battery cores acquired by the temperature detection devices are acquired in real time through the BMU system and are transmitted to the BCU system, so that the BCU system controls the fan to be started and stopped according to the temperature data.
In the scheme, each temperature detection device corresponds to each electric core, comprehensive real-time acquisition of temperature data of each electric core is achieved, the BMU system achieves real-time monitoring of the state of each electric core through temperature data analysis of each electric core, once abnormality occurs in temperature data of one electric core, the fan is controlled to cool in time, and the heat sensitive wire is arranged to enable the fire extinguishing device to be started to take fire extinguishing measures when the heat sensitive wire self-ignites, so that loss and harm are reduced.
Preferably, the battery cell module further comprises a positive electrode wiring socket and a negative electrode wiring socket which are respectively and electrically connected with the battery cell module so as to supply power for external equipment in a plugging mode.
In this scheme, be connected the electricity core module with anodal wiring socket and negative pole wiring socket in order to provide the power supply function.
Preferably, the number of the battery cells in the battery cell module is sixteen, the number of the temperature detection devices is eight, each temperature detection device is used for detecting the temperature data of two battery cells correspondingly, and the eight temperature detection devices are connected with corresponding pins of the BMU system respectively so as to detect the temperature data of each battery cell in real time and output the temperature data to the BMU system.
In the scheme, the positions of each temperature detection device and the two battery cores are corresponding to each other, so that the temperature data of the battery cores are acquired in real time, and comprehensive detection is realized.
Preferably, each temperature detection device is a thermistor, and an anode pin and a cathode pin of each thermistor are respectively connected with corresponding pins of the BMU system.
In the scheme, the thermistor with higher heat source detection sensitivity is adopted as a temperature detection device, so that the accuracy of temperature data is ensured.
Preferably, the number of the wiring terminals is two, and the positive electrode pin and the negative electrode pin of the fan are respectively connected with the two wiring terminals.
Preferably, the number of the fans is multiple, and the fans are respectively arranged corresponding to the positions of the battery cells in the battery cell module, and the air outlet of each fan faces the battery cell module at the corresponding position.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
reference numerals illustrate: 1. a BMU system; 2. a temperature detecting device; 3. a battery cell module; 4. a fire extinguishing device; 5. a fan; 6. a connection terminal; 7. a thermosensitive wire; 8. an anode wiring socket; 9. and a negative electrode wiring socket.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In a preferred embodiment of the present utility model, based on the above-mentioned problems existing in the prior art, a battery core temperature collection system applied to an energy storage cabinet is provided, as shown in fig. 1, including a BMU system 1, a plurality of temperature detection devices 2 connected to corresponding pins of the BMU system 1, a battery core module 3, a fire extinguishing device 4, at least one fan 5 and at least one connection terminal 6, wherein each temperature detection device 2, the battery core module 3, the fire extinguishing device 4, the fan 5 and the connection terminal 6 are all disposed in the energy storage cabinet, each temperature detection device 2 is disposed at positions corresponding to each battery core in the battery core module 3, the connection terminal 6 is electrically connected with an external BCU system, the fire extinguishing device 4 is provided with a heat sensitive wire 7, so that when the heat sensitive wire 7 is self-ignited, the fire extinguishing device 4 is started, and temperature data of each battery core collected by each temperature detection device 2 is acquired in real time by the BMU system 1 and transmitted to the BCU system, so that the BCU system controls the fan 5 to be turned on or off according to each temperature data.
Specifically, in this embodiment, each temperature detection device 2 corresponds to each electric core, so as to realize comprehensive real-time acquisition of temperature data of each electric core, the BMU system 1 realizes real-time monitoring of states of each electric core through temperature data analysis of each electric core, once abnormality occurs in temperature data of a certain electric core, the fan 5 is controlled to cool in time, and the setting of the thermosensitive wire 7 can enable the fire extinguishing device 4 to be started to take fire extinguishing measures when the electric core self-ignites, so that loss and harm are reduced.
Preferably, the BCU system detects the temperature and the like of the battery cell monomers by communicating with the BMU system 1 slave control daisy chain, detects external characteristic parameters such as the total voltage, the charging and discharging current, the insulation resistance to the ground and the like of the battery cell module 3, estimates and monitors the internal state of the battery cell according to a proper algorithm, realizes the charging and discharging management, the thermal management, the monomer equilibrium management and the fault alarm of the battery cell module 3 on the basis, and can realize information interaction with PCS, EMS, HMI and the like through a bus.
Preferably, according to the collected cell voltage, when the cell voltage exceeds the equilibrium starting voltage threshold and the voltage difference between the cell voltage and the lowest voltage exceeds the equilibrium starting voltage difference threshold, the BMU system 1 starts the cell equilibrium loop, and closes the equilibrium after the voltage difference range falls back within the specified range.
Preferably, the balanced state can be checked through the slave control upper computer, the balanced opening voltage is 3.30V, and the balanced opening pressure difference is 30m.
Preferably, the BMU system 1 transmits the collected battery core temperature data to the BCU system of the high-voltage box through the SPI, and the BCU system controls the fan 5 to start and stop by controlling the intermediate relay, and automatically starts the corresponding fan 5 when the maximum temperature reaches the fan 5 start threshold, and controls the fan 5 to stop running when the maximum temperature falls to the fan 5 close threshold.
Preferably, the fan 5 is turned on at 30 ℃ and turned off at 25 ℃, and can be adjusted in the upper computer according to the actual environment.
Preferably, a dual temperature detection measure of the thermosensitive wire 7 and the temperature detection device 2 is adopted, so that when one temperature detection measure detects abnormality, the temperature is reduced or the fire is extinguished in time, and better timeliness is ensured.
Preferably, the thermal start mode of the thermosensitive wire 7 is relatively reliable, so that the starting of the fire extinguishing device 4 can be realized under the condition of power failure, and the reliability of fire extinguishing starting is ensured.
In the preferred embodiment of the utility model, the battery cell module 3 also comprises a positive electrode wiring socket 8 and a negative electrode wiring socket 9 which are respectively electrically connected with the battery cell module 3 for being plugged by external equipment to supply power.
Specifically, in the present embodiment, the cell module 3 is connected to the positive electrode terminal socket 8 and the negative electrode terminal socket 9 to provide a power supply function.
In the preferred embodiment of the present utility model, the number of the battery cells in the battery cell module 3 is sixteen, the number of the temperature detection devices 2 is eight, each temperature detection device 2 respectively detects the temperature data of two battery cells correspondingly, and the eight temperature detection devices 2 are respectively connected with the corresponding pins of the BMU system 1 to detect the temperature data of each battery cell in real time and output the temperature data to the BMU system 1.
Specifically, in this embodiment, the positions of each temperature detecting device 2 and the two electric cores are corresponding to each other, so as to collect the temperature data of the electric cores in real time, so as to realize comprehensive detection.
In a preferred embodiment of the present utility model, each temperature detecting device 2 is a thermistor, and the positive electrode pin and the negative electrode pin of each thermistor are respectively connected with the corresponding pins of the BMU system 1.
Specifically, in this embodiment, a thermistor with high heat source detection sensitivity is used as the temperature detection device, so as to ensure accuracy of temperature data.
Specifically, in this embodiment, the primary protection (PACK level) and the secondary protection (cabinet level) are adopted, and the fire-fighting components mainly include an aerosol fire extinguishing device (PACK level fire extinguishing device 5), a fire prevention and control device, an aerosol fire extinguishing device (cabinet level) and a spontaneous electric temperature sensing probe (temperature detection device 2), and the cooperation of the spontaneous electric temperature sensing probe and the fire extinguishing device can be electrically started or thermally started.
Preferably, first level protection (pack level): taking the battery cell as a firing source and the battery box as a protection unit; the working principle is that when the battery thermal runaway happens and a fire occurs, the temperature in the battery box rises rapidly to about 180 ℃ or an open fire occurs, the thermosensitive wire 7 detects the fire in the first time and starts the first-stage protection device in the box, the aerosol fire extinguishing device is started and fed back, after the first-stage protection device is started, signals of the first-stage protection device are fed back to the BMS system and the EMS system rapidly, and after an alarm measure needs personnel to be improved.
Preferably, the secondary protection (cabinet level): taking a battery box as an ignition source and a battery cluster as a protection unit; the working principle is that if fire spreads to a battery cluster, a self-heating electric temperature probe and a thermosensitive wire 7 of an aerosol fire extinguishing device detect the fire, a BMS system and an EMS system receive feedback and send a protection instruction, fire is sprayed, or a primary fire extinguishing system fails to extinguish the fire or is reburned in fire, the temperature in a cabinet continuously rises, when the temperature probe detects that the temperature exceeds the standard, a self-starting secondary fire extinguishing device performs total submerged fire extinguishing in the whole cabinet, and after the device finishes spraying, a feedback signal is output, the signal is fed back to the BMS system rapidly, and personnel can process the fire in time.
In the preferred embodiment of the present utility model, the number of the connection terminals 6 is two, and the positive and negative pins of the fan 5 are connected to the two connection terminals 6, respectively.
In the preferred embodiment of the present utility model, the number of the fans 5 is plural, and the fans are respectively disposed corresponding to the positions of the respective electric cores in the electric core module 3, and the air outlet of each fan 5 faces the electric core module 3 at the corresponding position.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.
Claims (6)
1. The utility model provides a be applied to electric core temperature acquisition system of energy storage cabinet, its characterized in that includes BMU system (1) and with a plurality of temperature-detecting device (2) that BMU system (1) correspond the pin and connect, an electric core module (3), a fire extinguishing device (4), at least one fan (5) and at least one binding post (6), each temperature-detecting device (2), electric core module (3) fire extinguishing device (4), fan (5) and binding post (6) all locate in the energy storage cabinet, each temperature-detecting device (2) respectively correspond the position setting of each electric core in electric core module (3), binding post (6) are connected with outside BCU system electricity, be equipped with a thermosensitive wire (7) on fire extinguishing device (4) in order to start fire extinguishing device (4) when thermosensitive wire (7) spontaneous combustion, through BMU system (1) acquire each temperature data of electric core that temperature-detecting device (2) gathered in real time and transmit to BCU system so that fan (5) are according to the temperature data control system start and stop and close.
2. The battery cell temperature acquisition system according to claim 1, further comprising a positive terminal socket (8) and a negative terminal socket (9) respectively electrically connected with the battery cell module (3) for plugging of external equipment for power supply.
3. The battery cell temperature acquisition system according to claim 1, wherein the number of battery cells in the battery cell module (3) is sixteen, the number of the temperature detection devices (2) is eight, each temperature detection device (2) respectively detects the temperature data of two battery cells correspondingly, and the eight temperature detection devices (2) are respectively connected with corresponding pins of the BMU system (1) to detect the temperature data of each battery cell in real time and output the temperature data to the BMU system (1).
4. The battery cell temperature acquisition system according to claim 1, wherein each temperature detection device (2) is a thermistor, and a positive electrode pin and a negative electrode pin of each thermistor are respectively connected with corresponding pins of the BMU system (1).
5. The battery cell temperature acquisition system according to claim 1, wherein the number of the wiring terminals (6) is two, and the positive electrode pin and the negative electrode pin of the fan (5) are respectively connected with the two wiring terminals (6).
6. The battery cell temperature acquisition system according to claim 1, wherein the number of the fans (5) is plural, and the fans are respectively arranged corresponding to the positions of the battery cells in the battery cell modules (3), and the air outlet of each fan (5) faces the battery cell module (3) at the corresponding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322568345.4U CN220819257U (en) | 2023-09-21 | 2023-09-21 | Battery cell temperature acquisition system applied to energy storage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322568345.4U CN220819257U (en) | 2023-09-21 | 2023-09-21 | Battery cell temperature acquisition system applied to energy storage cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220819257U true CN220819257U (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322568345.4U Active CN220819257U (en) | 2023-09-21 | 2023-09-21 | Battery cell temperature acquisition system applied to energy storage cabinet |
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| Country | Link |
|---|---|
| CN (1) | CN220819257U (en) |
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2023
- 2023-09-21 CN CN202322568345.4U patent/CN220819257U/en active Active
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